where is the heart aorta esophagus and trachea located

18.10D: Thoracic Aorta

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The thoracic aorta is the section of the aorta that travels through the thoracic cavity to carry rake to the head, neck, thorax and arms.

Learning Objectives

• Explain the office of the thoracic aorta

Distinguish Points

• The pectoral aorta is contained in the posterior mediastinal cavity, begins at the 4th dorsal vertebra where IT is continuous with the aortic arch, and ends in front of the take down border of the twelfth dorsal vertebra.
• Branches from the thoracic aorta admit the bronchial arteries, the mediastinal arteries, the esophageal arteries, the pericardiac arteries, and the premium phrenic artery.
• The thoracic aorta and the esophagus play parallel for most of its length, with the esophagus lying on the word-perfect go with of the aorta. At the lower part of the chest, the gullet is placed in front line of the aorta, situated on its left side close to the diaphragm..

Key Terms

• mediastinal cavity: The medial compartment of the chest cavity. Information technology contains the heart, the great vessels of the heart, the gorge, the windpipe, the nervus phrenicus, the cardiac nerve, the thoracic epithelial duct, the thymus, and the lymph nodes of the central chest.
• Thoracic Aorta: Contained in the behind mediastinal enclosed space, it begins at the lower border of the fourth thoracic vertebra where it is continuous with the aortic arch, and ends before of the depress border of the twelfth dorsal vertebra, at the aortic hiatus in the diaphragm where it becomes the abdominal aorta.

Pectoral aorta: The aorta, highlighted in red, includes the thoracic aorta, the subdivision of the aorta which runs from the lower surround of the fourth thoracic vertebra to the diaphragm.

The thoracic aorta forms part of the descending aorta and is continuous with the aortic skilled at its inception before becoming the abdominal aorta. Contained inside the backside mediastinal cavity, it begins at the lower perimeter of the fourth thoracic vertebra where it is around-the-clock with the arterial blood vessel arch, and ends before of the lower border of the twelfth thoracic vertebra at the aortic hiatus in the diaphragm. At its kickoff, the thoracic aorta is situated on the left of the rachi; it approaches the median blood line as it descends, and at its termination lies directly in front of the column.

The thoracic aorta's relation, from above downward, is as follows: anteriorly with the root of the left lung, the pericardium, the esophagus and the diaphragm; posteriorly with the vertebral column; happening the right-minded side with the hemiazygos veins and thoracic duct; and on the left wing side with the left pleura and lung. The esophagus lies on the ripe English of the aorta for most of its distance, but at the lower part of the thorax is placed in front of the aorta and close to the stop, set on its left go with.

As it descends in the pectus, the aorta gives off several matched branches. In descending order these are the bronchial arteries, the mediastinal arteries, the esophageal arteries, the pericardial arteries, and the superior phrenic artery. The as os arteries are branches that initiate throughout the length of the posterior face of the thoracic aorta.

where is the heart aorta esophagus and trachea located

Source: https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Book:_Anatomy_and_Physiology_%28Boundless%29/18:_Cardiovascular_System:_Blood_Vessels/18.10:_Circulatory_Routes/18.10D:_Thoracic_Aorta

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